Use and Care Manual

MAINTENANCE 29
Cooling System Cleaning
Before each use, chec
k that the air inlet (rotary)
screen (inside A) is free from grass and debris and
clean if necessary. When checking or cleaning the
air inlet screen, rem
ove air inlet guard (A). Every 100
hours of operation, check and clean the cooling fins
and inside of engine shrouds to remove grass, chaff
or dirt clogging th
e cooling system and causing over-
heating. When cleaning, remove the air cleaner (in-
side E), loosen the bolts (C), (D), and then, remove
the fan housing (B)
.
CAUTION
Do not run engine before all cooling system
parts are reinstalled to keep cooling and car-
buretion as inte
nded.
CAUTION
Bend the engine shroud (regulator side) [A]
only within the shown range [B] (70°).
[Bolts Size, Tightening Torque]
Bolts
Size
Length Tightening Torque
C
M6 16 mm
8.8 N ·m (0.9 kgf·m, 78 in ·lb)
D M6 22 mm
8.8 N ·m (0.9 kgf·m, 78 in ·lb)
[B] = 70°
MAINTENANCE 29
Cooling System Cleaning
Before each use, chec
k that the air inlet (rotary)
screen (inside A) is free from grass and debris and
clean if necessary. When checking or cleaning the
air inlet screen, rem
ove air inlet guard (A). Every 100
hours of operation, check and clean the cooling fins
and inside of engine shrouds to remove grass, chaff
or dirt clogging th
e cooling system and causing over-
heating. When cleaning, remove the air cleaner (in-
side E), loosen the bolts (C), (D), and then, remove
the fan housing (B)
.
CAUTION
Do not run engine before all cooling system
parts are reinstalled to keep cooling and car-
buretion as inte
nded.
CAUTION
Bend the engine shroud (regulator side) [A]
only within the shown range [B] (70°).
[Bolts Size, Tightening Torque]
Bolts
Size
Length Tightening Torque
C
M6 16 mm
8.8 N ·m (0.9 kgf·m, 78 in ·lb)
D M6 22 mm
8.8 N ·m (0.9 kgf·m, 78 in ·lb)
[B] = 70°
MAINTENANCE 31
33